Also discussed here: Portable FID Model 115 (4 page pdf, Portable FID For Method 21 and Environmental Monitoring of VOC’s including methane, PID Analyzers)
As one of the most vulnerable to air pollution impacts, school children may be exposed to levels of pollution that present a health hazard. Today we review a new portable monitor that can be used to monitor these levels and if they are elevated, take measures to control or reduce them. The device provides for up to three
weeks without recharging.
Key Quotes:
"Poor air quality in school classrooms is a growing concern.. as over exposure to carbon dioxide (CO2) can result in excessive drowsiness, inattentiveness, and in the worst cases hypercapnia."
“in the past, the typical number of air exchanges in a school classroom was in the range of four to six per hour, whereas a more modern "energy efficient" classroom may only have one to two air exchanges per hour”
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